In a multi-network card or container environment, provide more information. [002] ..s1. 1838.311662: net_dev_xmit_timeout: dev=eth0 driver=virtio_net queue=10 net_cookie=3 [007] ..s1. 1839.335650: net_dev_xmit_timeout: dev=eth4 driver=virtio_net queue=10 net_cookie=4100 [007] ..s1. 1844.455659: net_dev_xmit_timeout: dev=eth0 driver=virtio_net queue=10 net_cookie=3 [007] ..s1. 1845.479663: net_dev_xmit_timeout: dev=eth4 driver=virtio_net queue=10 net_cookie=4100 [002] ..s1. 1850.087647: net_dev_xmit_timeout: dev=eth0 driver=virtio_net queue=10 net_cookie=3 Cc: Eran Ben Elisha Cc: Jiri Pirko Cc: Cong Wang Cc: Ido Schimmel Cc: Jakub Kicinski Signed-off-by: Tonghao Zhang --- v2: use net cookie instead of ifindex. --- include/trace/events/net.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/include/trace/events/net.h b/include/trace/events/net.h index d55162c12f90..8d064bf1ae7f 100644 --- a/include/trace/events/net.h +++ b/include/trace/events/net.h @@ -107,16 +107,20 @@ TRACE_EVENT(net_dev_xmit_timeout, __string( name, dev->name ) __string( driver, netdev_drivername(dev)) __field( int, queue_index ) + __field( u64, net_cookie ) ), TP_fast_assign( __assign_str(name); __assign_str(driver); __entry->queue_index = queue_index; + __entry->net_cookie = dev_net(dev)->net_cookie; ), - TP_printk("dev=%s driver=%s queue=%d", - __get_str(name), __get_str(driver), __entry->queue_index) + TP_printk("dev=%s driver=%s queue=%d net_cookie=%llu", + __get_str(name), __get_str(driver), + __entry->queue_index, + __entry->net_cookie) ); DECLARE_EVENT_CLASS(net_dev_template, -- 2.34.1